Home / 85,713,345.67-118,282,405.11-50,433,435.87

Finding the Fourth Proportional to 85,713,345.67, 118,282,405.11 and 50,433,435.87

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Solution

The fourth proportional to 85,713,345.67, 118,282,405.11 and 50,433,435.87 is: 69,596,957.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,713,345.67 : 118,282,405.11 = 50,433,435.87 : x
  2. Step 2: Convert to fraction form
    85,713,345.67/118,282,405.11 = 50,433,435.87/x
  3. Step 3: Cross multiply
    85,713,345.67x = 118,282,405.11 × 50,433,435.87
  4. Step 4: Simplify right side
    85,713,345.67x = 5,965,388,093,086,335
  5. Step 5: Solve for x
    x = 5,965,388,093,086,335/85,713,345.67
  6. Step 6: Final answer
    x = 69,596,957.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.